Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | # Copyright 2013 the V8 project authors. All rights reserved. |
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| 23 | |
| 24 | This test checks a few Number.toPrecision cases, including 15145: (0.999).toPrecision(1) returns incorrect result. |
| 25 | |
| 26 | On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
| 27 | |
| 28 | |
| 29 | PASS (0.999).toPrecision(1) is "1" |
| 30 | PASS (0.999).toPrecision(2) is "1.0" |
| 31 | PASS (0.999).toPrecision(3) is "0.999" |
| 32 | PASS (0.0).toPrecision(4) is "0.000" |
| 33 | PASS (-0.0).toPrecision(4) is "0.000" |
| 34 | PASS (0.0).toPrecision() is "0" |
| 35 | PASS (-0.0).toPrecision() is "0" |
| 36 | PASS (1234.567).toPrecision() is "1234.567" |
| 37 | PASS (1234.567).toPrecision(0) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 38 | PASS (1234.567).toPrecision(null) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 39 | PASS (1234.567).toPrecision(false) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 40 | PASS (1234.567).toPrecision('foo') threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 41 | PASS (1234.567).toPrecision(-1) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 42 | PASS (1234.567).toPrecision(1) is "1e+3" |
| 43 | PASS (1234.567).toPrecision(true) is "1e+3" |
| 44 | PASS (1234.567).toPrecision('1') is "1e+3" |
| 45 | PASS (1234.567).toPrecision(2) is "1.2e+3" |
| 46 | PASS (1234.567).toPrecision(2.9) is "1.2e+3" |
| 47 | PASS (1234.567).toPrecision(5) is "1234.6" |
| 48 | PASS (1234.567).toPrecision(21) is "1234.56700000000000728" |
| 49 | PASS (1234.567).toPrecision(22) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 50 | PASS (1234.567).toPrecision(100) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 51 | PASS (1234.567).toPrecision(101) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 52 | PASS (1234.567).toPrecision(posInf) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 53 | PASS (1234.567).toPrecision(negInf) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 54 | PASS (1234.567).toPrecision(nan) threw exception RangeError: toPrecision() argument must be between 1 and 21. |
| 55 | PASS posInf.toPrecision() is "Infinity" |
| 56 | PASS negInf.toPrecision() is "-Infinity" |
| 57 | PASS nan.toPrecision() is "NaN" |
| 58 | PASS successfullyParsed is true |
| 59 | |
| 60 | TEST COMPLETE |
| 61 | |